- InChI
- InChI=1S/CH2Br2/c2-1-3/h1H2
- InChI Key
- FJBFPHVGVWTDIP-UHFFFAOYSA-N
- Formula
- CH2Br2
- SMILES
- BrCBr
- Molecular Weight1
- 173.84
- CAS
- 74-95-3
- Other Names
-
- CH2Br2
- Dibromomethane
- METHYL DIBROMIDE
- METHYLENE BROMIDE
- Methylene dibromide
- REFRIGERANT-30B2
- Rcra waste number U068
- UN 2664
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- n0 : Refractive Index.
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- csound,fluid : Speed of sound in fluid (m/s).
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| μ | 1.90 | debye | KDB |
| ΔfG° | -10.59 | kJ/mol | KDB |
| ΔfH°gas | -38.90 | kJ/mol | KDB |
| ΔfusH° | 8.92 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [36.97; 37.03] | kJ/mol |
|
| ΔvapH° | 37.03 | kJ/mol | NIST |
| ΔvapH° | 36.97 ± 0.10 | kJ/mol | NIST |
| ΔvapH° | 37.00 ± 0.10 | kJ/mol | NIST |
| IE | [9.78; 10.61] | eV |
|
| IE | 10.41 ± 0.13 | eV | NIST |
| IE | 10.24 ± 0.02 | eV | NIST |
| IE | 10.50 ± 0.10 | eV | NIST |
| IE | 10.52 ± 0.05 | eV | NIST |
| IE | 10.49 ± 0.02 | eV | NIST |
| IE | 10.60 | eV | NIST |
| IE | Outlier 9.78 | eV | NIST |
| IE | 10.61 | eV | NIST |
| IE | 10.61 | eV | NIST |
| log10WS | [-1.17; -1.17] |
|
|
| log10WS | -1.17 | Aq. Sol... | |
| log10WS | -1.17 | Estimat... | |
| logPoct/wat | 1.734 | Crippen Calculated Property | |
| McVol | 59.950 | ml/mol | McGowan Calculated Property |
| Pc | 7100.00 | kPa | KDB |
| Inp | [653.00; 733.00] |
|
|
| Inp | 690.00 | NIST | |
| Inp | 698.00 | NIST | |
| Inp | 683.00 | NIST | |
| Inp | 681.70 | NIST | |
| Inp | 653.00 | NIST | |
| Inp | 660.00 | NIST | |
| Inp | 666.00 | NIST | |
| Inp | 671.00 | NIST | |
| Inp | 672.20 | NIST | |
| Inp | 700.00 | NIST | |
| Inp | 700.00 | NIST | |
| Inp | 704.00 | NIST | |
| Inp | 696.00 | NIST | |
| Inp | 683.00 | NIST | |
| Inp | 708.00 | NIST | |
| Inp | 683.00 | NIST | |
| Inp | Outlier 733.00 | NIST | |
| I | [1166.00; 1196.47] |
|
|
| I | 1166.00 | NIST | |
| I | 1189.98 | NIST | |
| I | 1196.47 | NIST | |
| I | 1175.95 | NIST | |
| I | 1174.00 | NIST | |
| I | 1185.00 | NIST | |
| Tboil | 370.00 | K | KDB |
| Tc | 583.00 | K | KDB |
| Tfus | [220.45; 220.63] | K |
|
| Tfus | 220.60 | K | KDB |
| Tfus | 220.53 | K | Aq. Sol... |
| Tfus | 220.45 ± 0.50 | K | NIST |
| Tfus | 220.63 ± 0.20 | K | NIST |
| Vc | 0.215 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [61.76; 74.49] | J/mol×K | [354.60; 566.60] |
|
| Cp,gas | 61.76 | J/mol×K | 354.60 | Joback Calculated Property |
| Cp,gas | 64.40 | J/mol×K | 389.93 | Joback Calculated Property |
| Cp,gas | 66.81 | J/mol×K | 425.27 | Joback Calculated Property |
| Cp,gas | 69.00 | J/mol×K | 460.60 | Joback Calculated Property |
| Cp,gas | 71.00 | J/mol×K | 495.93 | Joback Calculated Property |
| Cp,gas | 72.83 | J/mol×K | 531.27 | Joback Calculated Property |
| Cp,gas | 74.49 | J/mol×K | 566.60 | Joback Calculated Property |
| Cp,liquid | [104.10; 127.20] | J/mol×K | [298.00; 300.00] |
|
| Cp,liquid | 127.20 | J/mol×K | 298.00 | NIST |
| Cp,liquid | 104.10 | J/mol×K | 298.15 | NIST |
| Cp,liquid | 105.30 | J/mol×K | 300.00 | NIST |
| η | [0.0005148; 0.0027298] | Pa×s | [220.63; 354.60] |
|
| η | 0.0027298 | Pa×s | 220.63 | Joback Calculated Property |
| η | 0.0018193 | Pa×s | 242.96 | Joback Calculated Property |
| η | 0.0012982 | Pa×s | 265.29 | Joback Calculated Property |
| η | 0.0009762 | Pa×s | 287.62 | Joback Calculated Property |
| η | 0.0007648 | Pa×s | 309.94 | Joback Calculated Property |
| η | 0.0006192 | Pa×s | 332.27 | Joback Calculated Property |
| η | 0.0005148 | Pa×s | 354.60 | Joback Calculated Property |
| ΔvapH | [32.92; 37.80] | kJ/mol | [304.50; 370.10] |
|
| ΔvapH | 37.80 | kJ/mol | 304.50 | NIST |
| ΔvapH | 36.50 | kJ/mol | 323.00 | NIST |
| ΔvapH | 32.92 | kJ/mol | 370.10 | NIST |
| Pvap | 13.01 | kPa | 313.15 | Isother... |
| n0 | 1.38510 | 298.15 | Thermod... | |
| ρl | [2478.36; 2500.00] | kg/m3 | [293.00; 298.15] |
|
| ρl | 2500.00 | kg/m3 | 293.00 | KDB |
| ρl | 2478.61 | kg/m3 | 298.15 | Vapour ... |
| ρl | 2478.36 | kg/m3 | 298.15 | (Vapor ... |
| csound,fluid | [911.40; 961.80] | m/s | [293.15; 313.15] |
|
| csound,fluid | 961.80 | m/s | 293.15 | Excess ... |
| csound,fluid | 949.20 | m/s | 298.15 | Excess ... |
| csound,fluid | 936.60 | m/s | 303.15 | Excess ... |
| csound,fluid | 924.00 | m/s | 308.15 | Excess ... |
| csound,fluid | 911.40 | m/s | 313.15 | Excess ... |
| γ | [0.04; 0.04] | N/m | [293.15; 313.15] |
|
| γ | 0.04 | N/m | 293.15 | The add... |
| γ | 0.04 | N/m | 298.15 | The add... |
| γ | 0.04 | N/m | 303.15 | The add... |
| γ | 0.04 | N/m | 308.15 | The add... |
| γ | 0.04 | N/m | 313.15 | The add... |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 203.39] | kPa | [271.63; 394.34] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.46629e+01 | |||
| Coefficient B | -3.27979e+03 | |||
| Coefficient C | -4.34750e+01 | |||
| Temperature range, min. | 271.63 | |||
| Temperature range, max. | 394.34 | |||
| Pvap | 1.33 | kPa | 271.63 | Calculated Property |
| Pvap | 3.00 | kPa | 285.26 | Calculated Property |
| Pvap | 6.19 | kPa | 298.90 | Calculated Property |
| Pvap | 11.86 | kPa | 312.53 | Calculated Property |
| Pvap | 21.35 | kPa | 326.17 | Calculated Property |
| Pvap | 36.41 | kPa | 339.80 | Calculated Property |
| Pvap | 59.24 | kPa | 353.44 | Calculated Property |
| Pvap | 92.52 | kPa | 367.07 | Calculated Property |
| Pvap | 139.38 | kPa | 380.71 | Calculated Property |
| Pvap | 203.39 | kPa | 394.34 | Calculated Property |
| Pvap | [0.02; 7020.63] | kPa | [220.60; 611.00] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 5.46965e+01 | |||
| Coefficient B | -6.03095e+03 | |||
| Coefficient C | -5.79321e+00 | |||
| Coefficient D | 3.20020e-06 | |||
| Temperature range, min. | 220.60 | |||
| Temperature range, max. | 611.00 | |||
| Pvap | 0.02 | kPa | 220.60 | Calculated Property |
| Pvap | 0.80 | kPa | 263.98 | Calculated Property |
| Pvap | 8.96 | kPa | 307.36 | Calculated Property |
| Pvap | 51.76 | kPa | 350.73 | Calculated Property |
| Pvap | 193.84 | kPa | 394.11 | Calculated Property |
| Pvap | 541.78 | kPa | 437.49 | Calculated Property |
| Pvap | 1234.23 | kPa | 480.87 | Calculated Property |
| Pvap | 2428.75 | kPa | 524.24 | Calculated Property |
| Pvap | 4295.39 | kPa | 567.62 | Calculated Property |
| Pvap | 7020.63 | kPa | 611.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Methane, dibromo-.
Mixtures
- Methane, dibromo- + Ethyl Acetate
- Methane, dibromo- + Heptane
- Methane, dibromo- + Methane, bromotrichloro-
- Methane, dibromo- + Methane, bromochloro-
- Methane, dibromo- + 1-Propanol
- Methane, dibromo- + Acetonitrile
- Methane, dibromo- + Furan
- Methane, dibromo- + Acetophenone
- Methane, dibromo- + Water
- Methane, dibromo- + Acetone
- Methane, dibromo- + 1,4-Dioxane
- Methane, dibromo- + Ethyl ether
- Methane, dibromo- + 2-Butanone
- Methane, dibromo- + Tetrahydrofuran
- Methane, dibromo- + Pyridine
- Methane, dibromo- + Methyl Alcohol
- Methane, dibromo- + Benzene
- Methane, dibromo- + Dimethyl Sulfoxide
- Methane, dibromo- + 2-Pyrrolidinone
Sources
- KDB Pure (Korean Thermophysical Properties Databank)
- KDB Vapor Pressure Data
- Crippen Method
- Temperature and Pressure Dependence of the Volumetric Properties of Binary Liquid Mixtures Containing Dihaloalkanes
- Thermodynamic and Acoustic Properties of Mixtures of Dibromomethane + Heptane
- Vapour liquid equilibrium at T = 308.15 K for binary systems: Dibromomethane + n-heptane, bromotrichloromethane + n-heptane, bromotrichloromethane + dibromomethane, bromotrichloromethane + bromochloromethane and dibromomethane + bromochloromethane. Experimental data and modelling
- (Vapor + liquid) equilibria for the binary mixtures (1-propanol + dibromomethane, or + bromochloromethane, or + 1,2-dichloroethane or +1-bromo-2-chloroethane) at T = 313.15 K.
- The additivity of surface and volumetric properties of alpha,omega-dihalogenoalkanes
- EXCESS MOLAR ENTHALPIES OF DIBROMOMETHANE WITH ACETONITRILE,FURAN AND ACETOPHENONE 303.15 K
- Isothermal Vapor-Liquid Equilibria of ethyl acetate + dibromomethane, or + bromochloromethane or + 1,2-dichloroethane or +1-bromo-2-chloroethane at T = 313.15 K
- Excess Molar Volumes and Speed of Sound in Bromotrichloromethane + n-Heptane, Dibromomethane + n-Heptane, Bromotrichloromethane + Dibromomethane, and Bromotrichloromethane + Bromochloromethane at Temperatures from (293.15 to 313.15) K
- Determination of Henry's Law Constants Using Internal Standards with Benchmark Values
- Excess Enthalpies of Dibromomethane with Acetone, 1,4-Dioxane, Pyridine, Diethyl Ether, Ethyl Methyl Ketone, and Tetrahydrofuran at 303.15 K
- Excess Molar Enthalpies of Dibromomethane with Benzene, Methanol, Dimethylsulfoxide, and Pyrrolidin-2-one at 303.15 K
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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